Catalog
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| Issuer | Korea |
|---|---|
| Year | 1742-1752 |
| Type | Standard circulation coin |
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| Composition | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
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| Reverse description | The reverse features a central square hole flanked by mint and denomination marks in the East Asian cash coin tradition. At the top, a mint control character from the Thousand Character Classic indicates the issuing bureau, while the character 餘 (Yo/Yeo), meaning 'surplus' or 'remainder,' appears in the field, identifying this issue as a surplus striking of the Treasury Department (戶曹). The characters are cast in relief against a plain field, with no additional ornamentation. |
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| Reverse lettering | 餘 |
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| Additional information |
Surplus cash coins of the Joseon Dynasty were struck by agencies beyond the regular treasury mints — military bureaus, provincial offices, and government ministries each operated furnaces at various points during the eighteenth century, producing coins distinguished primarily by their reverse mint marks. The "surplus" designation reflects output beyond official quotas, often minted to fund specific administrative costs rather than general circulation. Quality and alloy consistency varied considerably between casting facilities, and attribution to individual bureaus remains contested for several varieties within this series.